superliminary adjective 1noun 1forms 1 adjective1 •(rare) Preliminary, introductory. noun1 •(no longer used, rare) The lintel across the top of a doorway.I am sure this doore was besprinkled with blood, on all sides, before,and behind; his head, and his armes, as the superliminary, both sides of him, as the side-posts. and his feete as the threshold. — 1641 formssuperliminaries